1 yard = 36 inches
The fraction (1 yard / 36 inches) has a numerator and denominator 
that are equal. So the fraction is equal to ' 1 ', and we can multiply 
(26 inches) by it without changing any value. That'll change the units 
of the '26 inches' to 'yards', which is exactly what we need.
(26 inches) x (1 yard/36 inches) = (26/36) yard
 That's 13/18 yard, or 0.7222... yard.